SummaryThis paper on the philosophical poetics of Descartes has the following sections:1. The paradox of philosophical creation.2. The place of Olympica in Descartes' work.3. The three dreams.4. Knowledge, dream and reality.5. Science, poetry and wisdom.6. Scholastic philosophy and poetical philosophy.7. The philosophical value of Descartes' dreams.8. The method of method.9. Who dreamed?